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    Method and system for starting an internal combustion engine
    1.
    发明授权
    Method and system for starting an internal combustion engine 有权

    公开(公告)号：US12012921B1

    公开(公告)日：2024-06-18

    申请号：US18351540

    申请日：2023-07-13

    Applicant: BOMBARDIER RECREATIONAL PRODUCTS INC.

    Inventor： Michel Bernier

    IPC: F02N11/08 ,  F02B75/04

    CPC classification number: F02N11/08 ,  F02B75/04 ,  F02N2250/04

    Abstract: A vehicle has a frame, a front suspension assembly, a pair of skis, an endless drive track, and an internal combustion engine. The engine has: a motor-generator having a rotor and a stator, the motor-generator being operable in motor mode and in generator mode; a recoil starter operable to rotate a crankshaft of the engine via the rotor in a same direction as does the motor-generator in generator mode; at least one sensor adapted for sensing at least one engine parameter; and an engine control unit (ECU) receiving a signal from the at least one sensor, the ECU controlling a rotation of the crankshaft by one of the motor-generator and the recoil starter based on the signal. The vehicle also has a display for displaying a message when the crankshaft is to be rotated by the recoil starter.

    Engine unit
    3.
    发明授权
    Engine unit 有权

    公开(公告)号：US11761368B2

    公开(公告)日：2023-09-19

    申请号：US17901333

    申请日：2022-09-01

    Applicant: KAWASAKI MOTORS, LTD.

    Inventor： Masaki Nishiyabu ,  Yuji Hida ,  Tetsuji Yamamoto

    IPC: F01P3/20 ,  F01P3/08 ,  F02N11/08 ,  F01P11/14

    CPC classification number: F01P3/20 ,  F01P3/08 ,  F02N11/08 ,  F01P11/14

    Abstract: An engine unit includes a cylinder, a crankshaft, a crankcase, a generator, a sensor, and a coolant passage. The crankshaft is connected to a piston in the cylinder. The crankcase accommodates the crankshaft therein. The generator includes a rotor that rotates together with the crankshaft and a stator facing the rotor. The generator generates electric power by rotation of the rotor. The sensor detects a rotation position of the rotor. The coolant passage includes an ejection port, guides a coolant to the ejection port, and ejects the coolant from the ejection port toward the sensor.

    ELECTROMAGNETIC SWITCH DEVICE FOR STARTER
    5.
    发明申请
    ELECTROMAGNETIC SWITCH DEVICE FOR STARTER 审中-公开

    公开(公告)号：US20190219017A1

    公开(公告)日：2019-07-18

    申请号：US16332059

    申请日：2016-10-05

    Applicant: Mitsubishi Electric Corporation

    Inventor： Takuma ONO ,  Yoshihiro MORIMOTO ,  Tasuku ITO

    IPC: F02N11/08 ,  H01H51/06 ,  H01H50/54 ,  H01H50/44 ,  F02N15/06 ,  H01H47/22

    CPC classification number: F02N11/087 ,  F02N11/00 ,  F02N11/08 ,  F02N11/0851 ,  F02N15/067 ,  F02N2011/0892 ,  H01H47/22 ,  H01H50/443 ,  H01H50/543 ,  H01H51/065

    Abstract: A movable iron core, a primary attracting and holding coil, a resistor electrically connected to an upstream start-up electric contact, and an auxiliary attracting and holding coil electrically connected to the upstream start-up electric contact are included. The movable iron core displaces a pinion from a separated position to a contact position. After the pinion is displaced from the separated position to the contact position, the upstream start-up electric contact is electrically disconnected from another start-up electric contact to cut off a current to the motor, and the movable iron core displaces the pinion from the contact position to an engaged position with the magnetomotive force of the primary attracting and holding coil and a magnetomotive force of the auxiliary attracting and holding coil. After the pinion is displaced from the contact position to the engaged position, main electric contacts are electrically connected to resume electric connection to the motor.

    ELECTRIC STARTER WITH MANUAL TURNING FUNCTION
    9.
    发明申请
    ELECTRIC STARTER WITH MANUAL TURNING FUNCTION 审中-公开

    公开(公告)号：US20180209334A1

    公开(公告)日：2018-07-26

    申请号：US15745002

    申请日：2017-06-21

    Applicant: CHONGQING STARTING POWER UNIT CO. LTD.

    Inventor： Shuquan LIU ,  Yangguang LIN ,  Da'an ZHU

    IPC: F02B77/08 ,  F02N11/08 ,  F02N11/10 ,  F02N15/06 ,  F16H35/18

    CPC classification number: F02B77/083 ,  F02N1/00 ,  F02N1/005 ,  F02N1/02 ,  F02N11/00 ,  F02N11/08 ,  F02N11/0851 ,  F02N11/10 ,  F02N11/101 ,  F02N11/106 ,  F02N11/108 ,  F02N15/062 ,  F02N15/067 ,  F02N2200/04 ,  F02N2250/00 ,  F16H35/18

    Abstract: Disclosed is an electric starter with a manual turning function. A main shaft, a drive gear mechanism, a shift fork, an electromagnetic relay guide rod and a first return spring are arranged in a housing of the electric starter. A gear shifting mechanism comprises a force receiving component which extends out of the housing of the electric starter and serves as an external force applying point so as to promote the electromagnetic relay guide rod to move rightwards, a normally closed switch for cutting off a power supply of the electric starter when the force receiving component moves to an extreme position, a positioning component for locking the force receiving component when the force receiving component moves to the extreme position, and a first return component which enables the force receiving component to automatically returns to an original state when the force receiving component is unlocked. The main shaft is indirectly driven to rotate by the turning mechanism via a transmission mechanism or directly driven to rotate by the turning mechanism via a turning tool. An improvement is made to a structure of a traditional electric starter without affecting existing functions thereof, i.e., a function of manual turning is added. Therefore, a flywheel gear of a motor can be precisely positioned during maintenance so as to improve efficiency and eliminate potential safety hazards.

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